package com.itheima.reggie.controlller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;

import com.itheima.reggie.service.impl.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.ArrayList;
import java.util.List;

/**
 * 分类管理
 */

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    private CategoryService categoryService;


    @PostMapping
    public R<String> save( @RequestBody Category category) {
        log.info("category:{}",category);
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize){
        log.info("page={} ,pageSize={}",page,pageSize);

        //构造分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加过滤条件  name 不为空时  第二个参数 是告诉哪一个实体类的哪个属性 第三个 是真实比较的值
        //queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        //添加一个排序条件
        queryWrapper.orderByAsc(Category::getSort);
        //执行查询

        categoryService.page(pageInfo, queryWrapper);

        return R.success(pageInfo);
    }

    /**
     *
     * 根据id删除分类
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long ids) {

        log.info("当前删除的id={}",ids);
        //categoryService.removeById(ids);
        categoryService.remove(ids);

        return R.success("分类信息删除成功");
    }

    @PutMapping
    public R<String> update(@RequestBody Category category) {
        log.info("修改分类信息:{}",category);
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

/*新增菜品时根据传来的 分类类型 返回套餐还是菜品*/
    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType()!=null,Category::getType, category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list=new ArrayList<>();
        list=categoryService.list(queryWrapper);
        return R.success(list);
    }
}
